Pavel Vladimirovich Ushakov

• Mnogoshchetinkovye chervi dalʹnevostochnikh moreĭ SSSR (Polychaeta)
• Mnogoshchetinkovye chervi podotri͡ada Aphroditiformia Severnogo Ledovitogo okeana i severo-zapadnoĭ chasti Tikhogo okeana
• Mnogoshchetinkovye chervi podotri͡ada Phyllodociformia Poli͡arnogo basseĭna i severo-zapadnoĭ chasti Tikhogo okeana
• Mnogoshchetinkovye chervi Polychaeta
• Polychaeta errantia of the Yellow Sea
• Polychaeta of the far eastern seas of the U.S.S.R
• Polychaetes
• Polychaetes of the suborder Phyllodociformia of the Polar Basin and the northwestern part of the Pacific
• Polychaetes of the suborder Phyllodociformia of the Polar Basin and the northwestern part of the Pacific. (Families Phyllodocidae, Alciopidae, Tomopteridae, Typhloscoleoidae, and Lacydoniidae)
• Polychaetes of the suborder Phyllodociformia of the Polar Basin and the northwestern part of the Pacific: Families Phyllodocidae, Alciopidae, Tomopteridae, ... of the U.S.S.R
• Polychaetes of the suborder phyllodociformia of the polar bason and the northwestern part of the Pacific